Table 5.
Associations between sleep parameters and extracellular water to intracellular water.
| Categorical Variables | β Coefficient (95% CI) | |
|---|---|---|
| Crude Model a | Adjusted Model b | |
| Sleep architecture | ||
| Sleep efficiency (%) | −31.19 (−38.17 to −24.21) ** | −24.73 (−34.25 to −15.2) ** |
| WASO (min) | 97.51 (76.22 to 118.81) ** | 37.03 (8.83 to 65.24) * |
| Event Duration (s) | ||
| Apnea | −4.94 (−10.5 to 0.62) | −1.91 (−9.35 to 5.53) |
| Hypopnea | −9.37 (−12.74 to −5.99) ** | −4.99 (−9.4 to −0.58) * |
| Low ArTH criteria | ||
| AHI (events/h) | 24.22 (16.84 to 31.6) ** | 8.49 (−0.56 to 17.54) |
| minSpO2 (%) | −6.69 (−9.72 to −3.66) ** | 1.03 (−2.83 to 4.89) |
| F-hypopnea (%) | 5.21 (−2.03 to 12.44) | −3.06 (−12.93 to 6.81) |
| Sleep disorder variables (events/h) | ||
| Oxygen desaturation index | 16.77 (10.39 to 23.15) ** | −0.78 (−8.47 to 6.91) |
| Arousal index | 24.52 (19.23 to 29.82) ** | 22.09 (14.89 to 29.29) ** |
Definition of abbreviations: WASO—wake time after sleep onset; Low ArTH—low arousal threshold; AHI—apnea–hypopnea index; SpO2—Oxygen saturation as measured using pulse oximetry. a Simple linear regression models. b Multivariable linear regression models adjusted for age, sex, and body mass index. * p < 0.05; ** p < 0.01.